Cruise Control Module: Testing and Inspection

1985 Lincoln Continental L6-146 2.4L DSL TurboSECTION Testing and Inspection

Use only a voltmeter of 5000 ohm/volt rating or higher when performing the following amplifier test.
``On'' Circuit Test
1. Turn ignition ``On.''
2. Connect a voltmeter between 296 and ground at the amplifier. Check battery voltage.
3. Connect a voltmeter to circuit 151 and ground at the amplifier. Voltmeter should read battery voltage when speed control switch is ``On,'' depressed and held. If there is not voltage, refer to ``Control Switch Test.''
4. Release ``On'' button. Voltmeter should read approximately 7.8 volts, indicating the ``On'' circuit is engaged. If voltmeter reads zero, check ground and amplifier. Also check the fuse and circuit breaker.



``Brake'' Circuit Test, 1984---87 All Models
1. Connect an ohmmeter between red/light green wire and ground.
2. Resistance should measure less than 5 ohms.
3. If resistance is greater than 5 ohms, check for burned out stop lamps, improper wiring or clutch malfunction.


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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.